Origin of sour

before 1000; (adj. and noun) Middle English sure, soure, Old English sūr (orig. adj.); cognate with German sauer, Dutch zuur, Old Norse sūrr; (v.) Middle English souren, derivative of the adj.

OTHER WORDS FROM sour

Example sentences from the Web for sourness

British Dictionary definitions for sourness (1 of 2)

Sour
/ (sʊə) /

noun

a variant spelling of Sur

British Dictionary definitions for sourness (2 of 2)

sour
/ (ˈsaʊə) /

adjective

noun

verb

to make or become sour

Derived forms of sour

sourish, adjective sourly, adverb sourness, noun

Word Origin for sour

Old English sūr; related to Old Norse sūrr, Lithuanian suras salty, Old Slavonic syrŭ wet, raw, surovu green, raw, Sanskrit surā brandy